Gear-body.



A. NORTHUP.

GEAR BODY.

APPLICATION mu) NOV. w. 1915.

Patented July 18, 1916.

ANGEVINE NORTI-IUP, or GREENPORT, NEW YoRK.

GEAR-BODY.

Specification of Letters Patent.

Patented July 18, 1916.

Application filed November 18, 1915. Serial N 0.62,:189.

Toall whom it may concern:

Be it known that I, ANGEVINE NORTHUP, a citizen of the United States, residing at Greenport, Long Island, in the county of Suffolk and State of New York, have invented certain new and useful Improvements in Gear-Bodies; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to new and useful improvements in gears, and more particularly to the body construction of said gears. The primary object of the invention is to provide a very eflicient gear which is especially adapted for use on power transmitting devices on motor boats, etc., and which is provided with means for silencing the ringing noise which is very noticeable ordinarily during the operation of the gearing. A further object of the invention is to provide a device of this character which is simple and durable in construction, inexpensive to manufacture, and one which will be very eflicient in operation.

With these and numerous other objects in view my invention consists of the novel features of construction, combination and arrangement of parts which will be hereinafter referred to and more particularly pointed out in the specification and claim.

In the accompanying drawings :Figure 1- is a central vertical longitudinal section; Fig. 2 is a transverse section taken on the line 22 of Fig. 1. r

In describing my invention I shall refer to the drawings in which similar reference characters designate corresponding parts throughout the several views and in which the numeral 1 designates one of the outside portions of my improved gear, which consists of a circular plate having a plurality of teeth 2 on its outer periphery, and having projecting laterally from one side of the same and centrally positioned with respect thereto, a short stub shaft 3. The s1de of the plate opposite the projectingshaft 3 has formed therein a countersunk portion 4 for a purpose to be hereinafter more fully described. This side of the plate 1 is provided with a plurality of apertures 5 and 6, disposed around the same and extending transversely therethrough. The apertures 5 through the same are disposed adjacent the outer periphery, while the apertures 4:

the complete goal when assembled. This plate 6 has formed thereon peripheral teeth 7 and d1sposed transversely therethrough a plurality of openings 8 and 8, which are adapted for alinement with the openings 5 and 5 through the plate -1. The plate'fiis provided with a centrally disposed aperture 9 WlllCh is adapted to engage the stub shaft 3 as clearly shown in Fig. 1 of the drawings.

vInterposed between the inner surfaces of the plates 1 and 6, is a correspondingly shaped raw hide annulus 10, which has formed on its outer "periphery, teeth 11. This raw hide annulus 10 is provided with a plurality of apertures 12 and 13 which are adapted for alinement with the apertures 5 and 8, and 5' and 8 respectively in the adjacent plates. The annulus 1'1 is provided with a central aperture 14 which isadapted to engage the stub shaft 3, so that the same may slide thereon. When these parts are positioned as clearly shown in Fig. 1 of the drawings, and the apertures in the plates and annulus are all disposed in alinement with one another, a plurality of fastening members, preferably rivets 15, are disposed through the alining apertures 5, 12 and 8 to securely hold the above mentioned parts in position. A plurality of bolts 16 are adapted to be positioned throughthe alining apertures 1, 13 and 8, and theouter ends of these bolts 16 project outwardly past the outer surface of the plate 1 so thatthey may securely hold a coupling member 17 in engagement therewith, as clearly shown in Fig. 1 of the drawings.

From the above description it will be obvious that to assemble this gear, it is only necessary to take the plate 1 and slide on the stub shaft that projects laterally therefrom,'first the annulus 11, and then the plate 6, and secure these parts together as above described, whereby the gear will be assembled. This forms a very simple and eflicient gear especially applicable for use as a power transmitting gear on motor boats, motor vehicles, etc. The raw hide annulus that is interposed between the side plates 1 and 6 of the gear will act as a silencer, while the gear is in operation, and prevent the ringing sound usually caused by the meshing of the difierent gears. This Will be found to be a great advantage when the gear is used for the purposes above stated, as it will obviate the greater part of the noise incidental to changing of the gears and the operation of the same.

From the foregoing description of the construction of my improved device and the manner of applying the same to use, the operation thereof will be readily understood and it Will be seen that I have provided a simple, inexpensive, and eflicient means for carrying out the objects of this invention.

The gears of this device may be either straight or beveled, or of any size required for the character of Work on Which they are used..

A device of the class described comprising a circular plate having teeth formed on its periphery, an integral centrally disposed solid stub shaft projecting from the inner side of the plate, said plate having a centrally disposed recess in its outer side, a raw hide annulus centrally apertured and Copies of this patent may be obtained for correspondingly shaped to said plate positioned on the shaft and lying flush With the inner side of the plate, an additional plate correspondingly shaped to said annulus disposed on the shaft and lying flush against the outer side of the same, said plates and annulus having annular spaced series of apertures therethrough adjacent the periphery and axis of the same, fastening members positioned through the apertures adjacent the periphery to secure the parts together, and additional fastening members positioned through the apertures adjacent the axis and projecting through the recess in the outer side of said plate whereby a icon lin member ma be securel en 'a ed therewith.

Intestimony whereof I have hereunto set my hand in presence of two subscribing Witnesses.

ANGEVINE NORTHUP.

Witnesses CHARLES R. LYON, ALICE L. MERCER.

five cents each, by addressing the Gommissioner of Patents, Washington, I). C. 

